Patents by Inventor Salvatore T. M. Viscontini

Salvatore T. M. Viscontini has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Delayed coking with refinery caustic
    Patent number: 5258115
    Abstract: A refinery derived spent caustic is recycled by introducing the spent caustic to a delayed coking drum while conducting delayed coking of a hydrocarbon feedstock. The alkali metal containing material accelerates coking, induces production of shot coke, alleviates the problem of a hot drum and reduces drum cooling time.
    Type: Grant
    Filed: September 16, 1992
    Date of Patent: November 2, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Roland H. Heck, Tom Reischman, Gerald J. Teitman, Salvatore T. M. Viscontini
  • Delayed coking
    Patent number: 5200061
    Abstract: During delayed coking, channels are formed in the solid coke bed to facilitate cooling of the hot coke drum. A distributor device injects a fluid, preferably steam, directly into the coke drum during delayed coking. The fluid travels through the coke bed and forms a channel which eliminates an impervious zone in the mass of solid coke. The channel allows more efficient cooling of the drum and eliminates the problem of a "hot drum" which can occur during delayed coking.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: April 6, 1993
    Assignee: Mobil Oil Corporation
    Inventor: Salvatore T. M. Viscontini
  • Process of used lubricant oil recycling
    Patent number: 5143597
    Abstract: A used lubricant oil recycling process is disclosed in which a used lubricating oil is injected to a delayed coker downstream of the coker furnace whereby the used oil is thermally cracked into hydrocarbon fuel products which are low in metal contaminants, sulfur and nitrogen. The used lubricant can be preheated in an independent heater to avoid a quenching effect of the process stream when added in an amount greater than about 3% by volume based on the entire volume of the feed.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: September 1, 1992
    Assignee: Mobil Oil Corporation
    Inventors: Steven W. Sparks, Gerald J. Teitman, Salvatore T. M. Viscontini
  • Process of used lubricant oil recycling
    Patent number: RE36922
    Abstract: A used lubricant oil recycling process is disclosed in which a used lubricating oil is injected to a delayed coker downstream of the coker furnace whereby the used oil is thermally cracked into hydrocarbon fuel products which are low in metal contaminants, sulfur and nitrogen. The used lubricant can be preheated in an independent heater to avoid a quenching effect of the process stream when added in an amount greater than about 3% by volume based on the entire volume of the feed.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: October 24, 2000
    Assignee: Mobil Oil Corporation
    Inventors: Steven W. Sparks, Gerald J. Teitman, Salvatore T. M. Viscontini